package com.whenjun.config.mybatis_plus;

import com.baomidou.mybatisplus.annotation.DbType;
import com.baomidou.mybatisplus.autoconfigure.ConfigurationCustomizer;
import com.baomidou.mybatisplus.extension.plugins.MybatisPlusInterceptor;
import com.baomidou.mybatisplus.extension.plugins.inner.PaginationInnerInterceptor;
import org.mybatis.spring.annotation.MapperScan;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

/**
 * @Auther: whenjun
 * @Date: 2023/5/25 0025 14:56
 * @Description:
 */
@Configuration
@MapperScan("com.whenjun.mapper")
public class MybatisPlusConfig {

    @Value("${database.type}")
    private String databaseType;

    /**
     * 新的分页插件,一缓和二缓遵循mybatis的规则,需要设置 MybatisConfiguration#useDeprecatedExecutor = false 避免缓存出现问题(该属性会在旧插件移除后一同移除)
     */
    @Bean
    public MybatisPlusInterceptor mybatisPlusInterceptor() {
        MybatisPlusInterceptor interceptor = new MybatisPlusInterceptor();
        if (databaseType.equals(DbType.MYSQL.getDb())){
            interceptor.addInnerInterceptor(new PaginationInnerInterceptor(DbType.MYSQL));
        }else if (databaseType.equals(DbType.POSTGRE_SQL.getDb())){
            interceptor.addInnerInterceptor(new PaginationInnerInterceptor(DbType.POSTGRE_SQL));
        }else {
            // 默认为 mysql
            interceptor.addInnerInterceptor(new PaginationInnerInterceptor(DbType.MYSQL));
        }
        return interceptor;
    }

}
